(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)=(2^4-1)...
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^4-1)(2^4+1)(2^8+1)(2^16+1)
=(2^8-1)(2^+1)(2^16+1)
=(2^16-1)(2^16+1)
=2^32-1为什么要用(2-1)来乘?得数不会变吗
急急急急急急急用 展开
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^4-1)(2^4+1)(2^8+1)(2^16+1)
=(2^8-1)(2^+1)(2^16+1)
=(2^16-1)(2^16+1)
=2^32-1为什么要用(2-1)来乘?得数不会变吗
急急急急急急急用 展开
展开全部
(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^4-1)(2^4+1)(2^8+1)(2^16+1)
=(2^8-1)(2^+1)(2^16+1)
=(2^16-1)(2^16+1)
=2^32-1
(2-1)(2+1)这样是符合平方差公式
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^4-1)(2^4+1)(2^8+1)(2^16+1)
=(2^8-1)(2^+1)(2^16+1)
=(2^16-1)(2^16+1)
=2^32-1
(2-1)(2+1)这样是符合平方差公式
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